21129480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{58693}}^1$

素因数の和:58710

約数の個数: 48

約数和(自身を含む): 68671980

約数和(自身を除く): 47542500

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 58693, 117386, 176079, 234772, 293465, 352158, 469544, 528237, 586930, 704316, 880395, 1056474, 1173860, 1408632, 1760790, 2112948, 2347720, 2641185, 3521580, 4225896, 5282370, 7043160, 10564740, 21129480]

約数ペア:

[(1, 21129480), (2, 10564740), (3, 7043160), (4, 5282370), (5, 4225896), (6, 3521580), (8, 2641185), (9, 2347720), (10, 2112948), (12, 1760790), (15, 1408632), (18, 1173860), (20, 1056474), (24, 880395), (30, 704316), (36, 586930), (40, 528237), (45, 469544), (60, 352158), (72, 293465), (90, 234772), (120, 176079), (180, 117386), (360, 58693)]